Carry just the necessities in Topeak's Medium Aero Wedge Pack. It's constructed of heavy-duty 1000-denier, Teflon-coated nylon and includes a handy quick-release mount that securely attaches the pack to your seat. And for nighttime safety, it features a 3M reflective strip and a taillight clip.
Capacity: 60-80 cubic inches
Dimensions: 7.9 x 4.1 x 4.7 inches
Weight: 135 grams